Product Description Features: Prevents glare by stopping light from entering the lens at an angle. Improves contrast and image quality. Flower-shaped design reduces vignetting effect. Effectively eliminates unwanted flare. Protects the lens from minor impacts. Protects the lens from scratches and impacts. Can be installed in reverse for space-saving. Application: For Canon: EF 75-300MM F/4-5.6 III, EF-S 55-250mm f/4-5.6 IS CANON EF 75-300mm f/4-5.6 II USM, EF 75-300mm f/4-5.6 II, EF 75-300mm f/4-5.6 III USM, EF 75-300mm f/4-5.6 III, EF 90-300mm f/4.5-5.6 USM, EF 90-300mm f/4.5-5.6. Specifications: Material: Plastic. Dimensions: Approx. 8.5 x 5cm / 3.3 x 2in. Item Weight: Approx. 21g / 0.7oz. Package Weight: Approx. 23g / 0.8oz.